/ Dictionary / Index B Balmer series: Meaning and Definition of Find definitions for: Bal'mer se"ries Pronunciation: (bäl'mur), [key] — Physics. Physics. a series of lines in the visible spectrum of hydrogen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Balmain balm-of-Gilead Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language